Practice Questions - Muscle Functions

Question 1

What muscles are responisble for Extending the head/neck (9)

9

Answer 1

2- rectus capitis posterior major/minor
2- semispinalis cervicis/capitis
2- splenius cervicis/capitis
3 - erector spinae group

Question 2

What muscles are responisble for lateral flexion the head/neck (2)

2

Answer 2

rectus capitis posterior minor
obliquus capitis superior

both originate from atlas

Question 3

neck/head flexors

Answer 3

SCM
Anterior Scalenes

Question 4

What muscles are responisble for rotation the head/neck (10)

7

Answer 4

2- obliquus capitis superior/inferior
3- erector spinae group (ILS)
2- semispinalis capitis and semispinalis cervicis
2- spelnius capitis and splenius cervicis
1- Scalenes (Posterior)

Question 5

What muscles elevate the ribs? (2)
What muscles depress them? (3)

Answer 5

Elevate:
External Intercostals
Serratus Posterior Superior
SCM

Depress:
Internal Intercostal
Innermost Intercostals
Serratus Posterior Inferior

Question 6

What muscles rotate the spine?

6

Answer 6

multifudus
rotares
3- erector spinae group (ILS)
semispinalis thoracis

Question 7

Erector Spinae Group vs Transversospinales Group;

Answer 7

ESG - (ILS)
Transverso - M + R

Question 8

What muscles have attachements on C2 Axis?

Answer 8

rectus capitis posterior major
obliquus capitis inferior
semispinalis cervicis

Question 9

Elevate Scapula

5

Answer 9

Trapezius (upper fibers)
Levator Scapulae
Rhomboid Major
Rhomboid Minor
Serratus Anterior (upper fibers)

Question 10

Depress Scapula

3

Answer 10

Trapezius (lower fibers)
Latissimus Dorsi
Pectoralis Minor

Question 11

retract scapula

4

Answer 11

Trapezius (middle fibers)
Rhomboid Major
Rhomboid Minor
Serratus Anterior (lower fibers)

Question 12

protract scapula

1

Answer 12

Serratus Anterior:

Question 13

upward rotation of scapula

Answer 13

Trapezius
Serratus Anterior

Question 14

downward rotation of scapula

Answer 14

Rhomboid major
Rhomboid minor
Levator Scapulae